Milwaukee 48-20-8892 Carbide Multi-material Drill Bit

Product Description

The Milwaukee 48-20-8892 is a SHOCKWAVE Impact Duty Carbide Multi-Material Drill Bit designed for use with impact drivers in demanding trade and construction applications. Built from carbide, it delivers hardness and wear resistance needed to bore through multi-material substrates including tile, masonry, wood, and more. The bit measures 1/2 inch in diameter with a 4 inch overall length and a 6 inch flute length, providing solid chip clearance during drilling. It is sold as a package of 3 units. HVAC, plumbing, and electrical contractors who need to penetrate mixed materials in a single pass will find this bit a reliable addition to their toolkit.

This drill bit is suited for residential and light commercial installation work where tradespeople encounter multiple material types in a single drilling path — such as tile over cement board, layered wall assemblies, or anchor holes through mixed substrates. It is designed specifically to pair with impact drivers, taking advantage of the rotational and impact energy those tools deliver. Electricians, plumbers, and HVAC techs drilling rough-in penetrations through multi-layer assemblies are the primary users of this bit type.

Key Features

• Carbide construction for hardness and extended wear life in multi-material applications
• 1/2 inch diameter with 4 inch overall length and 6 inch flute length for efficient chip evacuation
• SHOCKWAVE Impact Duty design rated for use with impact drivers
• Sold in a 3-piece package (Unit of Measure: EA)
• Compact overall length suitable for tight-access drilling scenarios

Compatibility

Designed as an OEM-style replacement and standard fitment for impact drivers accepting 1/2 inch round-shank drill bits across multi-material drilling applications.

Installation Notes

Installation is performed by electricians, plumbers, HVAC technicians, and general contractors using standard impact drivers. Always ensure the bit is fully seated and locked in the chuck before operation. Use appropriate eye protection and confirm the work surface is free of hidden utilities before drilling. Bit speed and feed pressure should be appropriate for the material being drilled to avoid premature carbide tip wear.

Technical Specifications

• Diameter: 1/2 inch
• Overall Length: 4 inches
• Flute Length: 6 inches
• Material: Carbide
• Package Quantity: 3 EA
• Weight: 0.55 pounds

Standard Information

• Brand: Milwaukee Electric Tool Corp
• Manufacturer Part Number: 48-20-8892